数学科学好色视频
学术报告[2025] 049号
(高水平大学建设系列报告1071号)
报告题目: Continuous lower bounds for moments of the mixed product of twisted L-functions
报告人:陈国华 副教授(华北水利水电大学)
报告时间:2025年6月23日16:30-17:00
报告地点:汇文楼2433
报告内容:Moments of central values in families of L-functions are important topics in analytic number theory. Thanks to the important work of Keating and Snaith etc., there have been some well-established conjectured asymptotic formulas. However, one can verify the conjectured asymptotic formulas are true only for few families of L-functions. So far, establishing the correct order of magnitude of lower bounds is out of reach for many families of L-functions. In this talk, we will introduce the lower bound principle of Heap and Soundararajan, then use this principle to obtain sharp lower bounds for all positive real k-th (k > 1) moments of the mixed product of two twisted L-functions at the central value, which extend the previous results. This is a joint work with Weiping Li and Tianze Wang.
报告人简历:陈国华,华北水利水电大学副教授,硕士生导师。2018年博士毕业于山东大学,2016年9月至2017年9月国家公派德国哥廷根大学联合培养1年,合作导师Valentin Blomer教授。主持完成国家自然科学基金青年基金项目1项,河南省自然科学基金青年基金项目1项和河南省高等学校重点科研项目1项。在J. Number Theory、Ramanujan J.等期刊上发表论文10余篇,参与荣获河南省自然科学三等奖1项。
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邀请人:王英男
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2024年6月22日